@inproceedings{sagn2003intorduction,
  author = {Sang, Erik F. Tjong Kim and Meulder, Fien De},
  title = {Introduction to the CoNLL-2003 Shared Task: Language-Independent Named Entity Recognition},
  booktitle = {Proceedings of the Seventh Conference on Natural Language Learning at HLT-NAACL 2003},
  year = {2003},
  url = {http://www.aclweb.org/anthology/W03-0419}
}